/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.ranger.db;

import org.apache.ranger.common.RangerCommonEnums;
import org.apache.ranger.common.db.BaseDao;
import org.apache.ranger.entity.XXUserPermission;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Service;

import javax.persistence.NoResultException;

import java.util.ArrayList;
import java.util.List;

@Service
public class XXUserPermissionDao extends BaseDao<XXUserPermission> {
    private static final Logger logger = LoggerFactory.getLogger(XXUserPermissionDao.class);

    public XXUserPermissionDao(RangerDaoManagerBase daoManager) {
        super(daoManager);
    }

    public List<XXUserPermission> findByModuleId(Long moduleId, boolean isUpdate) {
        if (moduleId != null) {
            try {
                if (isUpdate) {
                    return getEntityManager()
                            .createNamedQuery("XXUserPermissionUpdates.findByModuleId", XXUserPermission.class)
                            .setParameter("moduleId", moduleId)
                            .getResultList();
                }
                return getEntityManager()
                        .createNamedQuery("XXUserPermission.findByModuleId", XXUserPermission.class)
                        .setParameter("moduleId", moduleId)
                        .setParameter("isAllowed", RangerCommonEnums.IS_ALLOWED)
                        .getResultList();
            } catch (NoResultException e) {
                logger.debug(e.getMessage());
            }
        } else {
            logger.debug("ResourceUserId not provided.");

            return new ArrayList<>();
        }

        return null;
    }

    public List<XXUserPermission> findByUserPermissionIdAndIsAllowed(Long userId) {
        if (userId != null) {
            try {
                return getEntityManager()
                        .createNamedQuery("XXUserPermission.findByUserPermissionIdAndIsAllowed", tClass)
                        .setParameter("userId", userId)
                        .setParameter("isAllowed", RangerCommonEnums.IS_ALLOWED)
                        .getResultList();
            } catch (NoResultException e) {
                logger.debug(e.getMessage());
            }
        } else {
            logger.debug("ResourceUserId not provided.");

            return new ArrayList<>();
        }

        return null;
    }

    public List<XXUserPermission> findByUserPermissionId(Long userId) {
        if (userId != null) {
            try {
                return getEntityManager()
                        .createNamedQuery("XXUserPermission.findByUserPermissionId", XXUserPermission.class)
                        .setParameter("userId", userId)
                        .getResultList();
            } catch (NoResultException e) {
                logger.debug(e.getMessage());
            }
        } else {
            logger.debug("ResourceUserId not provided.");

            return new ArrayList<>();
        }

        return null;
    }

    public XXUserPermission findByModuleIdAndPortalUserId(Long userId, Long moduleId) {
        if (userId != null) {
            try {
                return getEntityManager().createNamedQuery("XXUserPermission.findByModuleIdAndPortalUserId", XXUserPermission.class)
                        .setParameter("userId", userId)
                        .setParameter("moduleId", moduleId)
                        .getSingleResult();
            } catch (NoResultException e) {
                logger.debug(e.getMessage());
            }
        } else {
            logger.debug("ResourceUserId not provided.");

            return null;
        }

        return null;
    }

    public void deleteByModuleId(Long moduleId) {
        if (moduleId != null) {
            try {
                getEntityManager()
                        .createNamedQuery("XXUserPermission.deleteByModuleId", XXUserPermission.class)
                        .setParameter("moduleId", moduleId)
                        .executeUpdate();
            } catch (Exception e) {
                logger.debug(e.getMessage());
            }
        } else {
            logger.debug("ModuleId not provided.");
        }
    }

    public List<String> findModuleUsersByModuleId(Long moduleId) {
        if (moduleId != null) {
            try {
                return getEntityManager().createNamedQuery("XXUserPermission.findModuleUsersByModuleId", String.class)
                        .setParameter("moduleId", moduleId)
                        .setParameter("isAllowed", RangerCommonEnums.IS_ALLOWED)
                        .getResultList();
            } catch (Exception e) {
                logger.debug(e.getMessage());
            }
        } else {
            logger.debug("ModuleId not provided.");
        }

        return null;
    }
}
